<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>简写背景</title>
    <style>
        .c1{
            width: 300px;
            height: 200px;
            background: green url("../images/heihei.gif") no-repeat center scroll;
        }
    </style>
</head>
<body>
<div class="c1"></div>
</body>
</html>